3. In a curling match, a 20.0 kg stone with an initial speed 2.0m/s glides to a stop after 30.0m. Determine the work done on the stone by friction.
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First, we need to find the force of friction. We can use the formula for force, which is mass times acceleration. But we don't have the acceleration. However, we can find it using the formula for acceleration, which is final velocity squared minus initial velocity Show more…
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